صحيح البخاري
Sahih Bukhari
كتاب الاعتصام بالكتاب والسنة
The Book of Holding Fast To The Qur’An and The Sunna
باب الحجة على من قال إن أحكام النبى صلى الله عليه وسلم كانت ظاهرة:
(22) Chapter. The refutation of the claim of those who say, "All the legal decisions and verdicts given by the Prophet (p.b.u.h.) were apparent (i.e., known to all people)."